The moment to moment gameplay in Go Mecha Ball instantly clicks - Bounching, boosting, jumping at Enemy neck-breaking speed, weaving between bullets, pouncing on robots, is instantly very very fun, supported by smooth controls and a visually consistent style.
The skeleton around the gameplay struggles to support it - the roguelike aspects only allow for very limited build making, runs blend into each other quickly. The content is quite thin, essentially 3 Levels with 3 sub-levels and one boss each, that do not vary between runs. At least half of the guns have no reason for existing and do not feel meaningfully different from one another. Because of that I didnt stick with GMB for long, but give me a controller and let me bounce around a level and I m certain I d have fun again instantly